diff options
Diffstat (limited to 'arch/mips/include/asm/mach-ip27')
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h | 75 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/irq.h | 24 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/kernel-entry-init.h | 96 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/mangle-port.h | 25 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/mmzone.h | 28 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/spaces.h | 35 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/topology.h | 31 |
7 files changed, 314 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h new file mode 100644 index 000000000..568fe0933 --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h @@ -0,0 +1,75 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2003, 07 Ralf Baechle + */ +#ifndef __ASM_MACH_IP27_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_IP27_CPU_FEATURE_OVERRIDES_H + +#include <asm/cpu.h> + +/* + * IP27 only comes with R1x000 family processors, all using the same config + */ +#define cpu_has_tlb 1 +#define cpu_has_tlbinv 0 +#define cpu_has_segments 0 +#define cpu_has_eva 0 +#define cpu_has_htw 0 +#define cpu_has_rixiex 0 +#define cpu_has_maar 0 +#define cpu_has_rw_llb 0 +#define cpu_has_3kex 0 +#define cpu_has_4kex 1 +#define cpu_has_3k_cache 0 +#define cpu_has_4k_cache 1 +#define cpu_has_nofpuex 0 +#define cpu_has_32fpr 1 +#define cpu_has_counter 1 +#define cpu_has_watch 1 +#define cpu_has_64bits 1 +#define cpu_has_divec 0 +#define cpu_has_vce 0 +#define cpu_has_cache_cdex_p 0 +#define cpu_has_cache_cdex_s 0 +#define cpu_has_prefetch 1 +#define cpu_has_mcheck 0 +#define cpu_has_ejtag 0 +#define cpu_has_llsc 1 +#define cpu_has_mips16 0 +#define cpu_has_mips16e2 0 +#define cpu_has_mdmx 0 +#define cpu_has_mips3d 0 +#define cpu_has_smartmips 0 +#define cpu_has_rixi 0 +#define cpu_has_xpa 0 +#define cpu_has_vtag_icache 0 +#define cpu_has_dc_aliases 0 +#define cpu_has_ic_fills_f_dc 0 + +#define cpu_icache_snoops_remote_store 1 + +#define cpu_has_mips32r1 0 +#define cpu_has_mips32r2 0 +#define cpu_has_mips64r1 0 +#define cpu_has_mips64r2 0 +#define cpu_has_mips32r6 0 +#define cpu_has_mips64r6 0 + +#define cpu_has_dsp 0 +#define cpu_has_dsp2 0 +#define cpu_has_mipsmt 0 +#define cpu_has_userlocal 0 +#define cpu_has_inclusive_pcaches 1 +#define cpu_has_perf_cntr_intr_bit 0 +#define cpu_has_vz 0 +#define cpu_has_fre 0 +#define cpu_has_cdmm 0 + +#define cpu_dcache_line_size() 32 +#define cpu_icache_line_size() 64 +#define cpu_scache_line_size() 128 + +#endif /* __ASM_MACH_IP27_CPU_FEATURE_OVERRIDES_H */ diff --git a/arch/mips/include/asm/mach-ip27/irq.h b/arch/mips/include/asm/mach-ip27/irq.h new file mode 100644 index 000000000..f45d7999f --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/irq.h @@ -0,0 +1,24 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1999, 2000, 01, 02, 03 by Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + * Copyright (C) 2001 Kanoj Sarcar + */ +#ifndef __ASM_MACH_IP27_IRQ_H +#define __ASM_MACH_IP27_IRQ_H + +#define NR_IRQS 256 + +#include <asm/mach-generic/irq.h> + +#define IP27_HUB_PEND0_IRQ (MIPS_CPU_IRQ_BASE + 2) +#define IP27_HUB_PEND1_IRQ (MIPS_CPU_IRQ_BASE + 3) +#define IP27_RT_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 4) + +#define IP27_HUB_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8) +#define IP27_HUB_IRQ_COUNT 128 + +#endif /* __ASM_MACH_IP27_IRQ_H */ diff --git a/arch/mips/include/asm/mach-ip27/kernel-entry-init.h b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h new file mode 100644 index 000000000..3e54f605a --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h @@ -0,0 +1,96 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2000 Silicon Graphics, Inc. + * Copyright (C) 2005 Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_MACH_IP27_KERNEL_ENTRY_H +#define __ASM_MACH_IP27_KERNEL_ENTRY_H + +#include <asm/sn/addrs.h> +#include <asm/sn/agent.h> +#include <asm/sn/klkernvars.h> + +/* + * TLB bits + */ +#define PAGE_GLOBAL (1 << 6) +#define PAGE_VALID (1 << 7) +#define PAGE_DIRTY (1 << 8) +#define CACHE_CACHABLE_COW (5 << 9) + + /* + * inputs are the text nasid in t1, data nasid in t2. + */ + .macro MAPPED_KERNEL_SETUP_TLB +#ifdef CONFIG_MAPPED_KERNEL + /* + * This needs to read the nasid - assume 0 for now. + * Drop in 0xffffffffc0000000 in tlbhi, 0+VG in tlblo_0, + * 0+DVG in tlblo_1. + */ + dli t0, 0xffffffffc0000000 + dmtc0 t0, CP0_ENTRYHI + li t0, 0x1c000 # Offset of text into node memory + dsll t1, NASID_SHFT # Shift text nasid into place + dsll t2, NASID_SHFT # Same for data nasid + or t1, t1, t0 # Physical load address of kernel text + or t2, t2, t0 # Physical load address of kernel data + dsrl t1, 12 # 4K pfn + dsrl t2, 12 # 4K pfn + dsll t1, 6 # Get pfn into place + dsll t2, 6 # Get pfn into place + li t0, ((PAGE_GLOBAL | PAGE_VALID | CACHE_CACHABLE_COW) >> 6) + or t0, t0, t1 + mtc0 t0, CP0_ENTRYLO0 # physaddr, VG, cach exlwr + li t0, ((PAGE_GLOBAL | PAGE_VALID | PAGE_DIRTY | CACHE_CACHABLE_COW) >> 6) + or t0, t0, t2 + mtc0 t0, CP0_ENTRYLO1 # physaddr, DVG, cach exlwr + li t0, 0x1ffe000 # MAPPED_KERN_TLBMASK, TLBPGMASK_16M + mtc0 t0, CP0_PAGEMASK + li t0, 0 # KMAP_INX + mtc0 t0, CP0_INDEX + li t0, 1 + mtc0 t0, CP0_WIRED + tlbwi +#else + mtc0 zero, CP0_WIRED +#endif + .endm + +/* + * Intentionally empty macro, used in head.S. Override in + * arch/mips/mach-xxx/kernel-entry-init.h when necessary. + */ + .macro kernel_entry_setup + GET_NASID_ASM t1 + move t2, t1 # text and data are here + MAPPED_KERNEL_SETUP_TLB + .endm + +/* + * Do SMP slave processor setup necessary before we can safely execute C code. + */ + .macro smp_slave_setup + GET_NASID_ASM t1 + dli t0, KLDIR_OFFSET + (KLI_KERN_VARS * KLDIR_ENT_SIZE) + \ + KLDIR_OFF_POINTER + CAC_BASE + dsll t1, NASID_SHFT + or t0, t0, t1 + ld t0, 0(t0) # t0 points to kern_vars struct + lh t1, KV_RO_NASID_OFFSET(t0) + lh t2, KV_RW_NASID_OFFSET(t0) + MAPPED_KERNEL_SETUP_TLB + + /* + * We might not get launched at the address the kernel is linked to, + * so we jump there. + */ + PTR_LA t0, 0f + jr t0 +0: + .endm + +#endif /* __ASM_MACH_IP27_KERNEL_ENTRY_H */ diff --git a/arch/mips/include/asm/mach-ip27/mangle-port.h b/arch/mips/include/asm/mach-ip27/mangle-port.h new file mode 100644 index 000000000..f71c38bbf --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/mangle-port.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2003, 2004 Ralf Baechle + */ +#ifndef __ASM_MACH_IP27_MANGLE_PORT_H +#define __ASM_MACH_IP27_MANGLE_PORT_H + +#define __swizzle_addr_b(port) ((port) ^ 3) +#define __swizzle_addr_w(port) ((port) ^ 2) +#define __swizzle_addr_l(port) (port) +#define __swizzle_addr_q(port) (port) + +# define ioswabb(a, x) (x) +# define __mem_ioswabb(a, x) (x) +# define ioswabw(a, x) (x) +# define __mem_ioswabw(a, x) ((__force u16)cpu_to_le16(x)) +# define ioswabl(a, x) (x) +# define __mem_ioswabl(a, x) ((__force u32)cpu_to_le32(x)) +# define ioswabq(a, x) (x) +# define __mem_ioswabq(a, x) ((__force u64)cpu_to_le64(x)) + +#endif /* __ASM_MACH_IP27_MANGLE_PORT_H */ diff --git a/arch/mips/include/asm/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h new file mode 100644 index 000000000..08c36e50a --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/mmzone.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_MACH_MMZONE_H +#define _ASM_MACH_MMZONE_H + +#include <asm/sn/addrs.h> +#include <asm/sn/arch.h> +#include <asm/sn/agent.h> +#include <asm/sn/klkernvars.h> + +#define pa_to_nid(addr) NASID_GET(addr) + +struct hub_data { + kern_vars_t kern_vars; + DECLARE_BITMAP(h_bigwin_used, HUB_NUM_BIG_WINDOW); + cpumask_t h_cpus; +}; + +struct node_data { + struct pglist_data pglist; + struct hub_data hub; +}; + +extern struct node_data *__node_data[]; + +#define NODE_DATA(n) (&__node_data[(n)]->pglist) +#define hub_data(n) (&__node_data[(n)]->hub) + +#endif /* _ASM_MACH_MMZONE_H */ diff --git a/arch/mips/include/asm/mach-ip27/spaces.h b/arch/mips/include/asm/mach-ip27/spaces.h new file mode 100644 index 000000000..66421e9a6 --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/spaces.h @@ -0,0 +1,35 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1996, 99 Ralf Baechle + * Copyright (C) 2000, 2002 Maciej W. Rozycki + * Copyright (C) 1990, 1999 by Silicon Graphics, Inc. + */ +#ifndef _ASM_MACH_IP27_SPACES_H +#define _ASM_MACH_IP27_SPACES_H + +#include <linux/const.h> + +/* + * IP27 uses the R10000's uncached attribute feature. Attribute 3 selects + * uncached memory addressing. Hide the definitions on 32-bit compilation + * of the compat-vdso code. + */ +#ifdef CONFIG_64BIT +#define HSPEC_BASE _AC(0x9000000000000000, UL) +#define IO_BASE _AC(0x9200000000000000, UL) +#define MSPEC_BASE _AC(0x9400000000000000, UL) +#define UNCAC_BASE _AC(0x9600000000000000, UL) +#define CAC_BASE _AC(0xa800000000000000, UL) +#endif + +#define TO_MSPEC(x) (MSPEC_BASE | ((x) & TO_PHYS_MASK)) +#define TO_HSPEC(x) (HSPEC_BASE | ((x) & TO_PHYS_MASK)) + +#define HIGHMEM_START (~0UL) + +#include <asm/mach-generic/spaces.h> + +#endif /* _ASM_MACH_IP27_SPACES_H */ diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h new file mode 100644 index 000000000..d66cc53fe --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/topology.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_MACH_TOPOLOGY_H +#define _ASM_MACH_TOPOLOGY_H 1 + +#include <asm/sn/types.h> +#include <asm/mmzone.h> + +struct cpuinfo_ip27 { + nasid_t p_nasid; /* my node ID in numa-as-id-space */ + unsigned short p_speed; /* cpu speed in MHz */ + unsigned char p_slice; /* Physical position on node board */ +}; + +extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS]; + +#define cpu_to_node(cpu) (cputonasid(cpu)) +#define cpumask_of_node(node) ((node) == -1 ? \ + cpu_all_mask : \ + &hub_data(node)->h_cpus) +struct pci_bus; +extern int pcibus_to_node(struct pci_bus *); + +#define cpumask_of_pcibus(bus) (cpumask_of_node(pcibus_to_node(bus))) + +extern unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES]; + +#define node_distance(from, to) (__node_distances[(from)][(to)]) + +#include <asm-generic/topology.h> + +#endif /* _ASM_MACH_TOPOLOGY_H */ |